Akamine, S.; Honda, A.; Umehara, M.; Yamada, K. Bernstein-type theorem for zero mean curvature hypersurfaces without time-like points in Lorentz-Minkowski space. (English) Zbl 1461.53005 Bull. Braz. Math. Soc. (N.S.) 52, No. 1, 175-181 (2021). MSC: 53A10 53C42 53B30 PDFBibTeX XMLCite \textit{S. Akamine} et al., Bull. Braz. Math. Soc. (N.S.) 52, No. 1, 175--181 (2021; Zbl 1461.53005) Full Text: DOI arXiv
Alencar, Hilário; do Carmo, Manfredo; Fernández, Isabel; Tribuzy, Renato A theorem of H. Hopf and the Cauchy-Riemann inequality. II. (English) Zbl 1157.53349 Bull. Braz. Math. Soc. (N.S.) 38, No. 4, 525-532 (2007). MSC: 53C42 20A10 PDFBibTeX XMLCite \textit{H. Alencar} et al., Bull. Braz. Math. Soc. (N.S.) 38, No. 4, 525--532 (2007; Zbl 1157.53349) Full Text: DOI Link